Q.1.
A periodic voltage v (t) = 1 + 4 sin ωt + 2 cos ωt is applied across aresistance. The power dissipated is ____________
- a) 1 W
- b) 11 W
- c) 21 W
- d) 24.5 W
Q.2.
A constant k high pass p section has a characteristic impedance ofΩ at f = ∞. At f = fc, the characteristic impedance will be?
- a) 0
- b) ∞
- c) 300 Ω
- d) More than 300 Ω
Q.3.
In the circuit given below, the current through R is 2 sin 8t. The value of R is ___________
- a) (0.18 + j0.72)
- b) (0.46 + j1.90)
- c) – (0.18 + j1.90)
- d) (0.23 – 0.35 j)
Q.4.
Permeability is analogous to _____________
- a) Conductivity
- b) Resistivity
- c) Retentivity
- d) Coercivity
Q.5.
A resistance and an inductance are connected in parallel and fed fromHz ac mains. Each branch takes a current of 5 A. The current supplied by source is ____________
- a) 10 A
- b) 7.07 A
- c) 5 A
- d) 0 A
Q.6.
A triangular Pulse ofV peak is applied to a capacitor of 0.1 F. The change of the capacitor and its waveform shape is ___________
- a) 10 rectangular
- b) 5 rectangular
- c) 5 triangular
- d) 10 triangular
Q.7.
AμF capacitor is charged from a 5 volt source through a resistance ofkΩ. The charging current offerm sec. If the initial voltage on C is – 3 V is ___________
- a) 0.56 mA
- b) 5.6 mA
- c) 6 mA
- d) 5 μA